compass mirror broke?

[BLACK&chrome]

I don't think I've ever seen my mirror show south or east even if I put in drive n turn 360, is it shot? Or is it just because the temp function does not work?

 

[jmc1997ck]

I picked up a Tahoe a couple weeks ago and mine is out of whack, too. Direction is never right. I've never tinkered with one before and mine only has the temp in Celsius. I don't mind doing the calculation, but I also don't think it's worth replacing. May just pick up a black anodized Bowtie mirror or something. Or the plain Jane OEM mirror...

 

[MYT HI]

If you hold down the temp button it should give the option to change to Fahrenheit. As for the compass if you hold the button it brings up numbers and I have no clue what that means


Sent from my 350 TBI powered iPhone

 

[jmc1997ck]

Angle in degrees from North going clockwise???

 

[MYT HI]

It might be. But like I said I don't really know


Sent from my 350 TBI powered iPhone

 

[sniper7202]

I was told to hold in the compass button until it says to set up compass and then drive in circles in a parking lot to set it. I haven't put mine in yet so I really don't know.

Ben

 

[98_k1500]

I was told to hold in the compass button until it says to set up compass and then drive in circles in a parking lot to set it. I haven't put mine in yet so I really don't know.

Ben

This is supposed to be correct. I have not swapped mine into the 2500 yet either tho.

 

[Coveman]

If you don't have access to an owner's manual check out:
http://www.gentex.com/sites/default/files/CompassReferenceGuideAndTroubleshooting.pdf

How to Troubleshoot Your Compass Mirror
Calibration instructions:
1) If the compass display reads “C” the compass feature must be calibrated.
a) To calibrate the compass, drive the vehicle in up to 3 complete circles at less than 5mph.
Setting the Correct Zone
1. Press the power button (if available) for more than 9 seconds, or until the current Zone.
2. Find your current location and variance Zone Number on the zone map on the pages below.
3. Press the power button (if available) until the new desired Zone Number appears in the
display.
4. Within a few seconds a compass direction will be displayed and the new zone is set.
Note: It is recommended to take your vehicle to your local dealership if your mirror does not have
a power button.
Note: Installing items such as a ski rack, antenna, luggage rack, or recent body repair can cause
changes to the vehicle’s magnetic field. This may require that the compass be recalibrated by
performing the recalibration procedure

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[MSCustoms]

This ^^^^^^ i had to change my zone to make the compass read correctly

 

[MYT HI]

Thanks that clears up a ton! Just can't tell if I'm in zone 8 or 9